kiwi-scp/kiwi_scp/commands/cli.py

103 lines
3.1 KiB
Python

import os
import sys
from enum import Enum, auto
from typing import List, Tuple, Iterable, Any, Type
import click
from ..instance import Instance
class KiwiCLI(click.MultiCommand):
"""Command Line Interface spread over multiple files in this directory"""
def list_commands(self, ctx):
"""list all the commands defined by cmd_*.py files in this directory"""
return (
filename[4:-3]
for filename in os.listdir(os.path.abspath(os.path.dirname(__file__)))
if filename.startswith("cmd_") and filename.endswith(".py")
)
def get_command(self, ctx, name):
"""import and return a specific command"""
try:
mod = __import__(f"kiwi_scp.commands.cmd_{name}", None, None, ["CMD"])
except ImportError:
return
return mod.CMD
class KiwiCommand:
@staticmethod
def print_multi_color(*content: Tuple[str, str]):
for message, color in content:
click.secho(message, fg=color, nl=False)
click.echo()
@staticmethod
def print_header(header: str):
click.secho(header, fg="green", bold=True)
@staticmethod
def print_error(header: str):
click.secho(header, file=sys.stderr, fg="red", bold=True)
@staticmethod
def print_list(content: Iterable[str]):
for item in content:
KiwiCommand.print_multi_color(
(" - ", "green"),
(item, "blue"),
)
@staticmethod
def user_query(description: str, default: Any, cast_to: Type[Any] = str):
# prompt user as per argument
while True:
try:
prompt = \
click.style(f"Enter {description} [", fg="green") + \
click.style(default, fg="blue") + \
click.style("] ", fg="green")
str_value = input(prompt).strip()
if str_value:
return cast_to(str_value)
else:
return default
except EOFError:
click.echo("Input aborted.")
return default
except Exception as e:
click.echo(f"Invalid input: {e}")
@classmethod
def run_for_instance(cls, instance: Instance, **kwargs) -> None:
for project in instance.config.projects:
cls.run_for_project(instance, project.name, **kwargs)
@classmethod
def run_for_project(cls, instance: Instance, project_name: str, **kwargs) -> None:
project = instance.get_project(project_name)
if project is None:
click.secho(f"No project '{project_name}' in kiwi-scp instance at '{instance.directory}'.", fg="red", bold=True)
return
service_names = [service.name for service in project.get_services().content]
cls.run_for_services(instance, project_name, service_names, **kwargs)
@classmethod
def run_for_services(cls, instance: Instance, project_name: str, service_names: List[str], **kwargs) -> None:
pass
class KiwiCommandType(Enum):
INSTANCE = auto()
PROJECT = auto()
SERVICE = auto()